18389968140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{8243}}^1$

素因数の和:8396

約数の個数: 144

約数和(自身を含む): 54878923008

約数和(自身を除く): 36488954868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 103, 114, 190, 206, 228, 285, 309, 361, 380, 412, 515, 570, 618, 722, 1030, 1083, 1140, 1236, 1444, 1545, 1805, 1957, 2060, 2166, 3090, 3610, 3914, 4332, 5415, 5871, 6180, 7220, 7828, 8243, 9785, 10830, 11742, 16486, 19570, 21660, 23484, 24729, 29355, 32972, 37183, 39140, 41215, 49458, 58710, 74366, 82430, 98916, 111549, 117420, 123645, 148732, 156617, 164860, 185915, 223098, 247290, 313234, 371830, 446196, 469851, 494580, 557745, 626468, 743660, 783085, 849029, 939702, 1115490, 1566170, 1698058, 1879404, 2230980, 2349255, 2547087, 2975723, 3132340, 3396116, 4245145, 4698510, 5094174, 5951446, 8490290, 8927169, 9397020, 10188348, 11902892, 12735435, 14878615, 16131551, 16980580, 17854338, 25470870, 29757230, 32263102, 35708676, 44635845, 48394653, 50941740, 59514460, 64526204, 80657755, 89271690, 96789306, 161315510, 178543380, 193578612, 241973265, 306499469, 322631020, 483946530, 612998938, 919498407, 967893060, 1225997876, 1532497345, 1838996814, 3064994690, 3677993628, 4597492035, 6129989380, 9194984070, 18389968140]

約数ペア:

[(1, 18389968140), (2, 9194984070), (3, 6129989380), (4, 4597492035), (5, 3677993628), (6, 3064994690), (10, 1838996814), (12, 1532497345), (15, 1225997876), (19, 967893060), (20, 919498407), (30, 612998938), (38, 483946530), (57, 322631020), (60, 306499469), (76, 241973265), (95, 193578612), (103, 178543380), (114, 161315510), (190, 96789306), (206, 89271690), (228, 80657755), (285, 64526204), (309, 59514460), (361, 50941740), (380, 48394653), (412, 44635845), (515, 35708676), (570, 32263102), (618, 29757230), (722, 25470870), (1030, 17854338), (1083, 16980580), (1140, 16131551), (1236, 14878615), (1444, 12735435), (1545, 11902892), (1805, 10188348), (1957, 9397020), (2060, 8927169), (2166, 8490290), (3090, 5951446), (3610, 5094174), (3914, 4698510), (4332, 4245145), (5415, 3396116), (5871, 3132340), (6180, 2975723), (7220, 2547087), (7828, 2349255), (8243, 2230980), (9785, 1879404), (10830, 1698058), (11742, 1566170), (16486, 1115490), (19570, 939702), (21660, 849029), (23484, 783085), (24729, 743660), (29355, 626468), (32972, 557745), (37183, 494580), (39140, 469851), (41215, 446196), (49458, 371830), (58710, 313234), (74366, 247290), (82430, 223098), (98916, 185915), (111549, 164860), (117420, 156617), (123645, 148732)]